Centre of a circle at an arbitrary point Animation Play

Centre of enlargement Whiteboard exercise Play

Centre of enlargement Student activity Play

Centrifugal force Student activity Play

Centroid of a triangle Animation Play

Changing the sign of an angle Student activity Play

Changing the sign of an angle in expressions Whiteboard exercise Play

Characteristic rays Animation Play

Chlorine and sulphur oxides Animation Play

Chlorine trifluoride molecule Animation Play

Chord bisector goes through the centre Animation Play

Chord bisector goes through the centre Student activity Play

Chords and diameters Student activity Play

Circle circumscribed about a quadrilateral Animation Play

Circle circumscribed about a quadrilateral Animation Play

Circle circumscribed about a triangle Animation Play

Circle properties Whiteboard presentation Play

Circle properties Class activity Play

Circle theorems Class activity Play

Circle theorems Whiteboard presentation Play

Circle with centre and central angle Whiteboard exercise Play

Circle with centre and inscribed angle Whiteboard exercise Play

Circles and quadrants Simulation Play

Circles in the coordinate system Animation Play

Circles inscribed and circumscribed Class activity Play